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Round|Lab Grown|IGI

1.30ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG492113584

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113584

Diamond specifications and retailer prices

From $1,053 AUD
$740 USD
As of October 31, 2026
Save $3,844 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,898 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492113584 or 492113584. Listed at 11 retailers as of October 25, 2026, with prices from $1,053 to $4,898, a $3,844 spread on the same certified stone. MOH London lists it at $4,898. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113584
Dimensions6.97 × 7.03 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.97 mm7.03 mm1.30 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113584
Side View
Table 54.5%Crown 35.4°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,898 AUD|Low: $858 AUD|High: $4,957 AUD|Avg: $1,921 AUD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,053 AUD
Retailer 5$1,073 AUD
Retailer 8$1,203 AUD
Retailer 6$1,246 AUD
Retailer 9$1,246 AUD
Retailer 4$1,495 AUD
Retailer 10$1,956 AUD
Retailer 7$2,014 AUD
Retailer 3$2,963 AUD
MOH London$4,898 AUD

19 data points across 10 retailers

11 retailers$1,053 AUD to $4,898 AUD

A
Cheapest Retailer
-
$1,053 AUD
$740 USD
A
Retailer 2
-
$1,073 AUD
$754 USD
View
A
Retailer 3
-
$1,169 AUD
$821 USD
View
B+
Retailer 4
-
$1,203 AUD
$845 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,246 AUD
$875 USD
View
Retailer 6
-
$1,246 AUD
$875 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$1,495 AUD
$1,050 USD
View
B
Retailer 8
-
$2,014 AUD
$1,415 USD
View
B
Retailer 9
-
$2,963 AUD
$2,081 USD
View
B
Retailer 10
-
$3,502 AUD
$2,460 USD
View
Most Expensive
B
MOH London
LG492113584 · Oct 25
$4,898 AUD
£2,709 GBP
View
10 more retailers have this diamond
Prices start from $1,053 AUDSave up to $3,844 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.30ct Round
$1,053 AUD